Problem with Solaris 10 / SPARC

Marc Glisse marc.glisse@inria.fr
Tue Jul 2 05:36:00 GMT 2013


On Mon, 1 Jul 2013, Amos wrote:

> $ /usr/bin/isainfo -kv
> 64-bit sparcv9 kernel modules
>
> Actually, at what point *does* gcc begin compiling by default as
> 64-bit on Solaris when the 64-bit kernel is running?

Why should it ? On sparc, 64-bit code is slower and only useful if you 
need more than 2G of RAM (which might indeed be the case for gcc, 
especially with LTO). There is a reason most of the userland still comes 
as 32 bits in solaris while the 32 bit kernel disappeared a while ago.

-- 
Marc Glisse



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